Dekiama Cruise ~Onzoushi wa Migawari Konyakusha ni Muchuu desu~

Chikako has dreamed of taking a round-the-world trip on a luxury cruise ship since she was a child, and is saved from an accident by the CEO of the ship's operator, Seito. Chikako is attracted to Seito, who is kind and caring to her and teaches her how to dance and escorts her perfectly, but when he suddenly says he wants to make a deal with her...?